bridge_map.cpp File Reference

Map accessor functions for bridges. More...

#include "stdafx.h"
#include "landscape.h"
#include "tunnelbridge_map.h"
#include "safeguards.h"

Go to the source code of this file.

Functions
static TileIndex	GetBridgeEnd (TileIndex tile, DiagDirection dir)
	Finds the end of a bridge in the specified direction starting at a middle tile.
TileIndex	GetNorthernBridgeEnd (TileIndex t)
	Finds the northern end of a bridge starting at a middle tile.
TileIndex	GetSouthernBridgeEnd (TileIndex t)
	Finds the southern end of a bridge starting at a middle tile.
TileIndex	GetOtherBridgeEnd (TileIndex tile)
	Starting at one bridge end finds the other bridge end.
int	GetBridgeHeight (TileIndex t)
	Get the height ('z') of a bridge.

Detailed Description

Map accessor functions for bridges.

Definition in file bridge_map.cpp.

Function Documentation

GetBridgeEnd()

TileIndex GetBridgeEnd ( TileIndex tile, DiagDirection dir )

static

Finds the end of a bridge in the specified direction starting at a middle tile.

Parameters

tile	the bridge tile to find the bridge ramp for
dir	the direction to search in

Returns

The tile at the bridge end.

Definition at line 23 of file bridge_map.cpp.

References GetTunnelBridgeDirection(), IsBridgeTile(), ReverseDiagDir(), and TileOffsByDiagDir().

Referenced by GetNorthernBridgeEnd(), GetOtherBridgeEnd(), and GetSouthernBridgeEnd().

GetBridgeHeight()

int GetBridgeHeight

(

TileIndex

t

)

Get the height ('z') of a bridge.

Parameters

t	the bridge ramp tile to get the bridge height from

Returns

the height of the bridge.

Definition at line 74 of file bridge_map.cpp.

References ApplyFoundationToSlope(), DiagDirToAxis(), GetBridgeFoundation(), GetTileSlopeZ(), and GetTunnelBridgeDirection().

Referenced by CmdBuildBridge(), CmdBuildObject(), CmdTerraformLand(), DoBuildLock(), DoClearBridge(), DrawRailCatenaryRailway(), DrawRoadBits(), DrawRoadTypeCatenary(), GetBridgePixelHeight(), GetTerrainType(), IsBuoyBridgeAboveOk(), IsDockBridgeAboveOk(), IsRailStationBridgeAboveOk(), IsRoadStationBridgeAboveOk(), and MarkBridgeDirty().

GetNorthernBridgeEnd()

TileIndex GetNorthernBridgeEnd

(

TileIndex

t

)

Finds the northern end of a bridge starting at a middle tile.

Parameters

t	the bridge tile to find the bridge ramp for

Returns

The tile at the northern bridge end.

Definition at line 41 of file bridge_map.cpp.

References AxisToDiagDir(), GetBridgeAxis(), GetBridgeEnd(), and ReverseDiagDir().

Referenced by AfterLoadGame(), CmdBuildBridge(), DrawBridgeMiddle(), DrawRailCatenaryRailway(), DrawRoadBits(), DrawRoadTypeCatenary(), and ViewportAddLandscape().

GetOtherBridgeEnd()

TileIndex GetOtherBridgeEnd

(

TileIndex

tile

)

Starting at one bridge end finds the other bridge end.

Parameters

tile	the bridge ramp tile to find the other bridge ramp for

Returns

The tile at the other bridge end.

Definition at line 63 of file bridge_map.cpp.

References GetBridgeEnd(), GetTunnelBridgeDirection(), and IsBridgeTile().

Referenced by CmdBuildBridge(), DoClearBridge(), DrawRailCatenaryOnBridge(), FloodVehicles(), CFollowTrackT< TRANSPORT_WATER, Ship, true >::FollowTileExit(), GetOtherTunnelBridgeEnd(), GetRailTrackBitsUniversal(), and VisitWaterRegionPatchNeighbours().

GetSouthernBridgeEnd()

TileIndex GetSouthernBridgeEnd

(

TileIndex

t

)

Finds the southern end of a bridge starting at a middle tile.

Parameters

t	the bridge tile to find the bridge ramp for

Returns

The tile at the southern bridge end.

Definition at line 52 of file bridge_map.cpp.

References AxisToDiagDir(), GetBridgeAxis(), and GetBridgeEnd().

Referenced by CmdBuildObject(), CmdTerraformLand(), DoBuildLock(), DrawBridgeMiddle(), DrawRailCatenaryOnBridge(), IsBuoyBridgeAboveOk(), IsDockBridgeAboveOk(), IsRailStationBridgeAboveOk(), and IsRoadStationBridgeAboveOk().